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Proceedings Papers

Towards a Porosity Aware Stochastic Framework for Computing Apparent Mechanical Properties of Additively Manufactured Parts

Athanasios Iliopoulos, Colin A. Stewart, Andrew J. Birnbaum, John C. Steuben, David J. Rowenhorst, John G. Michopoulos
Proc. ASME. IDETC-CIE2022, Volume 2: 42nd Computers and Information in Engineering Conference (CIE), V002T02A018, August 14–17, 2022
Paper No: DETC2022-90992
DOI: https://doi.org/10.1115/DETC2022-90992
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Topics: Additive manufacturing, Mechanical properties, Porosity, Finite element model, Stress, Equipment performance, Image processing, Metals, Microscopes, Pressure vessels
eBook Chapter

Multiphysics Integrated Computational Materials Engineering Linking Additive Manufacturing Process Parameters with Part Performance

Publisher: ASME
Published: 2021
ISBN: 9780791862025
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Topics: Additive manufacturing, Materials science
Proceedings Papers

Towards Real-Time Composite Material Characterization Using Surrogate Models and GPGPU Computing

John Steuben, John G. Michopoulos, Athanasios Iliopoulos, Cameron Turner
Proc. ASME. IDETC-CIE2015, Volume 1A: 35th Computers and Information in Engineering Conference, V01AT02A058, August 2–5, 2015
Paper No: DETC2015-46476
DOI: https://doi.org/10.1115/DETC2015-46476
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Topics: Composite materials, Algorithms, Anisotropy, Approximation, Excitation, Noise (Sound), Response surface methodology, Robotics, Robustness, Synchronization
Proceedings Papers

Towards Inverse Estimation of Properties, Process Parameters and Residual Effects for Friction Stir Welding

Athanasios Iliopoulos, John G. Michopoulos, Samuel Lambrakos
Proc. ASME. IDETC-CIE2015, Volume 1A: 35th Computers and Information in Engineering Conference, V01AT02A059, August 2–5, 2015
Paper No: DETC2015-46532
DOI: https://doi.org/10.1115/DETC2015-46532
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Topics: Friction, Welding, Deformation, Modeling, Heat, Heat conduction
Proceedings Papers

Towards Crack Trajectory Identification via the Direct Strain Imaging Method

Athanasios Iliopoulos, John G. Michopoulos
Proc. ASME. IDETC-CIE2015, Volume 1A: 35th Computers and Information in Engineering Conference, V01AT02A060, August 2–5, 2015
Paper No: DETC2015-46536
DOI: https://doi.org/10.1115/DETC2015-46536
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Topics: Fracture (Materials), Imaging, Trajectories (Physics), Finite element methods, Stress, Tensors
Proceedings Papers

Towards Identification of Lower Scale Composite Material Properties From Higher Scale Experimental Data via Inverse Analysis of Coupled Multiscale Models

Foteini Komninelli, Athanasios Iliopoulos, John G. Michopoulos
Proc. ASME. IDETC-CIE2015, Volume 1A: 35th Computers and Information in Engineering Conference, V01AT02A061, August 2–5, 2015
Paper No: DETC2015-46538
DOI: https://doi.org/10.1115/DETC2015-46538
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Topics: Composite materials, Fibers, Microscale devices, Boundary-value problems, Chain, Damage, Elasticity, Laminates, Manufacturing, Materials properties
Proceedings Papers

High Performance Parallelized Centroid Estimation of Image Components for Full Field Measurements

Athanasios Iliopoulos, John G. Michopoulos
Proc. ASME. IDETC-CIE2014, Volume 1A: 34th Computers and Information in Engineering Conference, V01AT02A022, August 17–20, 2014
Paper No: DETC2014-34937
DOI: https://doi.org/10.1115/DETC2014-34937
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Topics: Algorithms, Architecture, Displacement, Flow (Dynamics), Image processing, Strain measurement
Proceedings Papers

Multiphysics Challenges for Controlling Layered Manufacturing Processes Targeting Thermomechanical Performance

John G. Michopoulos, Samuel Lambrakos, Athanasios Iliopoulos
Proc. ASME. IDETC-CIE2014, Volume 1A: 34th Computers and Information in Engineering Conference, V01AT02A050, August 17–20, 2014
Paper No: DETC2014-35170
DOI: https://doi.org/10.1115/DETC2014-35170
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Topics: Additive manufacturing, Design, Heat transfer, Manufacturing, Modeling, Multiscale modeling, Ontologies, Process control, Simulation, Thermomechanics
Proceedings Papers

Inverse Determination of Moving Heat Flux Distributions Using Reduced Order Models

Brian H. Dennis, Ashkan Akbariyeh, John Michopoulos, Foteini Komninelli, Athanasios Iliopoulos
Proc. ASME. IDETC-CIE2014, Volume 1A: 34th Computers and Information in Engineering Conference, V01AT02A026, August 17–20, 2014
Paper No: DETC2014-35274
DOI: https://doi.org/10.1115/DETC2014-35274
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Topics: Heat flux, Finite element model, Optimization, Temperature, Inverse problems, Differential equations, Galerkin method, Heat transfer, Optimization algorithms, Parameter estimation
Proceedings Papers

Performance of Reduced Order Models of Moving Heat Source Deposition Problems for Efficient Inverse Analysis

John G. Michopoulos, Brian Dennis, Foteini Komninelli, Athanasios Iliopoulos, Ashkan Akbariyeh
Proc. ASME. IDETC-CIE2014, Volume 1A: 34th Computers and Information in Engineering Conference, V01AT02A027, August 17–20, 2014
Paper No: DETC2014-35365
DOI: https://doi.org/10.1115/DETC2014-35365
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Topics: Heat, Finite element analysis, Heat transfer, Performance characterization, Principal component analysis, Sensitivity analysis
Proceedings Papers

Performance of a Lotka-Volterra System for Representing Biofouling Processes

Foteini Komninelli, Athanasios Iliopoulos, John G. Michopoulos
Proc. ASME. IDETC-CIE2014, Volume 1A: 34th Computers and Information in Engineering Conference, V01AT02A016, August 17–20, 2014
Paper No: DETC2014-35002
DOI: https://doi.org/10.1115/DETC2014-35002
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Topics: Biofouling, Spatiotemporal phenomena, Finite element analysis
Proceedings Papers

On the Validation of a Multiphysics Theory for a Static Contact With Rough Surfaces

John G. Michopoulos, Marcus Young, Athanasios Iliopoulos, Harry N. Jones
Proc. ASME. IDETC-CIE2014, Volume 1A: 34th Computers and Information in Engineering Conference, V01AT02A017, August 17–20, 2014
Paper No: DETC2014-35180
DOI: https://doi.org/10.1115/DETC2014-35180
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Topics: Surface roughness, Contact resistance, Cylinders, Disks, Electric current, Partial differential equations, Physics, Pressure, Simulation, Spatiotemporal phenomena
Proceedings Papers

Towards a Computational Multiphysics Framework for Modeling Antibiofouling Processes

Athanasios Iliopoulos, John G. Michopoulos, Virginia DeGiorgi, Steven Policastro
Proc. ASME. IDETC-CIE2014, Volume 1A: 34th Computers and Information in Engineering Conference, V01AT02A018, August 17–20, 2014
Paper No: DETC2014-35401
DOI: https://doi.org/10.1115/DETC2014-35401
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Topics: Biofouling, Boats, Cathodic protection, Chemical reactions, Design methodology, Drag (Fluid dynamics), Electric current, Electrodiffusion, Fuel consumption, Maintenance
Proceedings Papers

Multiscale and Multifield Multiphysics of High Current Pulse Static Contact With Rough Surfaces

John G. Michopoulos, Marcus Young, Athanasios Iliopoulos
Proc. ASME. IDETC-CIE2013, Volume 2A: 33rd Computers and Information in Engineering Conference, V02AT02A022, August 4–7, 2013
Paper No: DETC2013-12879
DOI: https://doi.org/10.1115/DETC2013-12879
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Topics: Surface roughness, Electric current, Heat conduction, Stress, Bulk solids, Compression, Currents, Cylinders, Electromagnetic induction, Heating
Proceedings Papers

Towards Multiphysics Modeling of Chlorine Dilution

Athanasios Iliopoulos, John G. Michopoulos, Virginia DeGiorgi
Proc. ASME. IDETC-CIE2013, Volume 2A: 33rd Computers and Information in Engineering Conference, V02AT02A023, August 4–7, 2013
Paper No: DETC2013-13018
DOI: https://doi.org/10.1115/DETC2013-13018
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Topics: Modeling, Hull, Ships, Biofouling, Cathodic protection, Chemical reactions, Convection, Corrosion, Current density, Diffusion (Physics)
Proceedings Papers

Surface Discontinuity Detection via Direct Strain Imaging

Athanasios Iliopoulos, John G. Michopoulos
Proc. ASME. IDETC-CIE2013, Volume 2A: 33rd Computers and Information in Engineering Conference, V02AT02A024, August 4–7, 2013
Paper No: DETC2013-13013
DOI: https://doi.org/10.1115/DETC2013-13013
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Topics: Imaging, Fracture (Materials), Strain measurement, Noise (Sound), Shapes, Tensors, Uncertainty
Proceedings Papers

Performance Analysis and Experimental Validation of the Direct Strain Imaging Method

Athanasios Iliopoulos, John G. Michopoulos, John C. Hermanson
Proc. ASME. IDETC-CIE2013, Volume 2A: 33rd Computers and Information in Engineering Conference, V02AT02A025, August 4–7, 2013
Paper No: DETC2013-13015
DOI: https://doi.org/10.1115/DETC2013-13015
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Topics: Imaging, Composite materials, Displacement, Strain measurement, Tension, Tensors
Proceedings Papers

Inverse Characterization of Composite Materials Using Surrogate Models

John Steuben, John Michopoulos, Athanasios Iliopoulos, Cameron Turner
Proc. ASME. IDETC-CIE2013, Volume 2A: 33rd Computers and Information in Engineering Conference, V02AT02A007, August 4–7, 2013
Paper No: DETC2013-12656
DOI: https://doi.org/10.1115/DETC2013-12656
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Topics: B-splines, Composite materials, Elasticity, Mechanical properties, Modeling, Noise (Sound), Robotics, Statistical analysis, Testing
eBook Chapter

Advances on the Constitutive Characterization of Composites via Multiaxial Robotic Testing and Design Optimization

Publisher: ASME Press
Published: 2014
ISBN: 9780791860328
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Topics: Composite materials, Design, Optimization, Robotic testing
eBook Chapter

Meshless Methods for Full Field Displacement and Strain Measurement

Publisher: ASME Press
Published: 2014
ISBN: 9780791860328
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Topics: Displacement, Strain measurement